2345987394 has 16 divisors (see below), whose sum is σ = 5213305440. Its totient is φ = 781995780.

The previous prime is 2345987377. The next prime is 2345987407. The reversal of 2345987394 is 4937895432.

2345987394 is a `hidden beast` number, since 23 + 459 + 87 + 3 + 94 = 666.

2345987394 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2345987394² = 11007313705613822472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 43444211 = 2345987394 / (2 + 3 + 4 + 5 + 9 + 8 + 7 + 3 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 2345987394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21722052 + ... + 21722159.

It is an arithmetic number, because the mean of its divisors is an integer number (325831590).

Almost surely, 2^2345987394 is an apocalyptic number.

2345987394 is an abundant number, since it is smaller than the sum of its proper divisors (2867318046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2345987394 is a wasteful number, since it uses less digits than its factorization.

2345987394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43444222 (or 43444216 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 2345987394 is about 48435.3940213146. The cubic root of 2345987394 is about 1328.7457589881.

The spelling of 2345987394 in words is "two billion, three hundred forty-five million, nine hundred eighty-seven thousand, three hundred ninety-four".